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<pre>
def run(self, v, times):
 return v*times
class CollegeStudent(Student):
 def __init__(self, name, age, school, id, language):
 super(CollegeStudent, self).__init__(name, age, school, id)
 self.language = language
 def speak(self):
 print("我叫%s, 今年%s岁, 我来⾃%s, 学号%d，我擅长%s。"
 % (self.name, self.age, self.school, self.my_id, self.language))
 def coding(self):
 print("I am coding", end=" ")
 for i in range(10):
 print(".", end="")
 sleep(1)
x = CollegeStudent('Jim', 18, 'Blueking', 200101, 'English')
x.speak()
x.coding()
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